The K-pop industry has seen exponential growth over the last decade. With both male and female K-pop groups becoming household names across the globe, the metrics of success have been redefined.Using data collected from Allkpop and Koreansalestwt, a list of the highest-selling male K-pop groups from the beginning of their career to date can be drawn up. Disclaimer: This data set includes only album sales and is restricted to South Korea and Japan.Who is the highest-selling male K-pop group so far?5) Seo Taiji and BoysSeo Taiji and Boys remain a tough set of artists to outsell, despite being the very group that inspired much of what we call the "K-pop industry" today. They debuted in 1992 and were estimated to have sold over 8 million albums in mid-2019. View this post on Instagram A post shared by 서태지 (@seotaijicompany)Their albums "Seo Taiji and Boys IV" and "Seo Taiji and Boys II" sold over 2 million copies each, in South Korea alone. The first and third installments of their albums sold over 1.5 million copies each.4) SEVENTEENSEVENTEEN is Pledis Entertainment's 13-member K-pop boy group. They debuted in 2015 and have reportedly sold over 9.6 million album copies. View this post on Instagram A post shared by SEVENTEEN (@saythename_17)The group's best-selling album is "Your Choice," which was released on June 18, 2021. The six-track album sold 1.36 million copies during its debut week. A close second for SEVENTEEN is "Heng:garae," which was released a year ago and sold 1.4 million copies in total.3) TVXQTVXQ is a duo K-pop group under SM Entertainment. Previously, they were a group of 5. In both South Korea and Japan, TVXQ has sold over 12.1 million copies of its albums. View this post on Instagram A post shared by 동방신기(TVXQ!) Official (@tvxq.official)TVXQ is extremely popular in Japan, with them being the first foreign artist in Japan to release four number-one studio albums in a row. Many of their albums are platinum-certified by the RIAJ. Their best-selling album is MIROTIC, which sold over 605,000 plus copies in South Korea.2) EXOEXO is second on this list. The SM Entertainment K-pop boy group has sold around 13.5 million copies of their albums.EXO@weareoneEXO엑소 'Tempo' MV 유튜브 조회수 2억뷰 돌파!🔥🎉EXO 'Tempo' MV surpasses 200 Million views on YouTube!🔥🎉🎬bit.ly/3vRKcCk#엑소 #EXO #weareoneEXO #Tempo12:26 PM · Jun 24, 202112696649526엑소 'Tempo' MV 유튜브 조회수 2억뷰 돌파!🔥🎉EXO 'Tempo' MV surpasses 200 Million views on YouTube!🔥🎉🎬bit.ly/3vRKcCk#엑소 #EXO #weareoneEXO #Tempo https://t.co/eYeEV1864yMany of their albums have sold well over 1 million copies. From 2013 to 2017, they had the best-selling album each year in South Korea. EXO's best-selling album is "Don't Mess Up My Tempo," which released in 2018 with a little under 2 million sales in their home country.1) BTSReportedly, BTS has sold over 32.7 million copies of its albums in total. They are a seven-member K-pop boy band that debuted in 2013 with their single album "2 Cool 4 Skool."BIGHIT MUSIC@BIGHIT_MUSICBTS PERMISSION TO DANCE ON STAGE 공연 개최#PTD_ON_STAGE #PermissiontoDance #BTS #방탄소년단09:30 AM · Sep 15, 2021553372178447BTS PERMISSION TO DANCE ON STAGE 공연 개최#PTD_ON_STAGE #PermissiontoDance #BTS #방탄소년단 https://t.co/DcLowIlQH1They are currently the best-selling group in South Korea. Their album, "Map of the Soul: 7," is the best-selling album in the country with over 4.5 million sales. Four of the top five best-selling album positions in South Korea are held by BTS.